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mirror of https://github.com/QuantumPackage/qp2.git synced 2024-11-03 03:53:37 +01:00
qp2/src/two_body_rdm/state_av_full_orb_2_rdm.irp.f

538 lines
20 KiB
Fortran

BEGIN_PROVIDER [double precision, state_av_full_occ_2_rdm_ab_mo, (n_core_inact_act_orb,n_core_inact_act_orb,n_core_inact_act_orb,n_core_inact_act_orb)]
implicit none
state_av_full_occ_2_rdm_ab_mo = 0.d0
integer :: i,j,k,l,iorb,jorb,korb,lorb
BEGIN_DOC
! state_av_full_occ_2_rdm_ab_mo(i,j,k,l) = STATE AVERAGE physicist notation for 2RDM of alpha/beta electrons
!
! = \sum_{istate} w(istate) * <Psi_{istate}| a^{\dagger}_{i,alpha} a^{\dagger}_{j,beta} a_{l,beta} a_{k,alpha} |Psi_{istate}>
!
! WHERE ALL ORBITALS (i,j,k,l) BELONGS TO ALL OCCUPIED ORBITALS : core, inactive and active
!
! THE NORMALIZATION (i.e. sum of diagonal elements) IS SET TO N_{\alpha} * N_{\beta}
!
! !!!!! WARNING !!!!! ALL SLATER DETERMINANTS IN PSI_DET MUST BELONG TO AN ACTIVE SPACE DEFINED BY "list_act"
!
! !!!!! WARNING !!!!! For efficiency reasons, electron 1 is ALPHA, electron 2 is BETA
!
! state_av_full_occ_2_rdm_ab_mo(i,j,k,l) = i:alpha, j:beta, j:alpha, l:beta
!
! Therefore you don't necessary have symmetry between electron 1 and 2
!
! !!!!! WARNING !!!!! IF "no_core_density" then all elements involving at least one CORE MO is set to zero
END_DOC
state_av_full_occ_2_rdm_ab_mo = 0.d0
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_act_orb
korb = list_act(k)
do l = 1, n_act_orb
lorb = list_act(l)
! alph beta alph beta
state_av_full_occ_2_rdm_ab_mo(lorb,korb,jorb,iorb) = &
state_av_act_2_rdm_ab_mo(l,k,j,i)
enddo
enddo
enddo
enddo
!! BETA ACTIVE - ALPHA inactive
!!
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_inact_orb
korb = list_inact(k)
! alph beta alph beta
state_av_full_occ_2_rdm_ab_mo(korb,jorb,korb,iorb) = one_e_dm_mo_beta_average(jorb,iorb)
enddo
enddo
enddo
!! ALPHA ACTIVE - BETA inactive
!!
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_inact_orb
korb = list_inact(k)
! alph beta alph beta
state_av_full_occ_2_rdm_ab_mo(jorb,korb,iorb,korb) = one_e_dm_mo_alpha_average(jorb,iorb)
enddo
enddo
enddo
!! ALPHA INACTIVE - BETA INACTIVE
!!
do j = 1, n_inact_orb
jorb = list_inact(j)
do k = 1, n_inact_orb
korb = list_inact(k)
! alph beta alph beta
state_av_full_occ_2_rdm_ab_mo(korb,jorb,korb,jorb) = 1.D0
enddo
enddo
!!!!!!!!!!!!
!!!!!!!!!!!! if "no_core_density" then you don't put the core part
!!!!!!!!!!!! CAN BE USED
if (.not.no_core_density)then
!! BETA ACTIVE - ALPHA CORE
!!
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_core_orb
korb = list_core(k)
! alph beta alph beta
state_av_full_occ_2_rdm_ab_mo(korb,jorb,korb,iorb) = one_e_dm_mo_beta_average(jorb,iorb)
enddo
enddo
enddo
!! ALPHA ACTIVE - BETA CORE
!!
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_core_orb
korb = list_core(k)
! alph beta alph beta
state_av_full_occ_2_rdm_ab_mo(jorb,korb,iorb,korb) = one_e_dm_mo_alpha_average(jorb,iorb)
enddo
enddo
enddo
!! ALPHA CORE - BETA CORE
!!
do j = 1, n_core_orb
jorb = list_core(j)
do k = 1, n_core_orb
korb = list_core(k)
! alph beta alph beta
state_av_full_occ_2_rdm_ab_mo(korb,jorb,korb,jorb) = 1.D0
enddo
enddo
endif
END_PROVIDER
BEGIN_PROVIDER [double precision, state_av_full_occ_2_rdm_aa_mo, (n_core_inact_act_orb,n_core_inact_act_orb,n_core_inact_act_orb,n_core_inact_act_orb)]
implicit none
state_av_full_occ_2_rdm_aa_mo = 0.d0
integer :: i,j,k,l,iorb,jorb,korb,lorb
BEGIN_DOC
! state_av_full_occ_2_rdm_aa_mo(i,j,k,l) = STATE AVERAGE physicist notation for 2RDM of alpha/alpha electrons
!
! = \sum_{istate} w(istate) * <Psi_{istate}| a^{\dagger}_{i,alpha} a^{\dagger}_{j,alpha} a_{l,alpha} a_{k,alpha} |Psi_{istate}>
!
! WHERE ALL ORBITALS (i,j,k,l) BELONGS TO ALL OCCUPIED ORBITALS : core, inactive and active
!
! THE NORMALIZATION (i.e. sum of diagonal elements) IS SET TO N_{\alpha} * (N_{\alpha} - 1)/2
!
! !!!!! WARNING !!!!! ALL SLATER DETERMINANTS IN PSI_DET MUST BELONG TO AN ACTIVE SPACE DEFINED BY "list_act"
!
! !!!!! WARNING !!!!! IF "no_core_density" then all elements involving at least one CORE MO is set to zero
END_DOC
!! PURE ACTIVE PART ALPHA-ALPHA
!!
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_act_orb
korb = list_act(k)
do l = 1, n_act_orb
lorb = list_act(l)
state_av_full_occ_2_rdm_aa_mo(lorb,korb,jorb,iorb) = &
state_av_act_2_rdm_aa_mo(l,k,j,i)
enddo
enddo
enddo
enddo
!! ALPHA ACTIVE - ALPHA inactive
!!
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_inact_orb
korb = list_inact(k)
! 1 2 1 2 : DIRECT TERM
state_av_full_occ_2_rdm_aa_mo(korb,jorb,korb,iorb) += 0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
state_av_full_occ_2_rdm_aa_mo(jorb,korb,iorb,korb) += 0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
! 1 2 1 2 : EXCHANGE TERM
state_av_full_occ_2_rdm_aa_mo(jorb,korb,korb,iorb) += -0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
state_av_full_occ_2_rdm_aa_mo(korb,jorb,iorb,korb) += -0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
enddo
enddo
enddo
!! ALPHA INACTIVE - ALPHA INACTIVE
do j = 1, n_inact_orb
jorb = list_inact(j)
do k = 1, n_inact_orb
korb = list_inact(k)
state_av_full_occ_2_rdm_aa_mo(korb,jorb,korb,jorb) += 0.5d0
state_av_full_occ_2_rdm_aa_mo(korb,jorb,jorb,korb) -= 0.5d0
enddo
enddo
!!!!!!!!!!
!!!!!!!!!! if "no_core_density" then you don't put the core part
!!!!!!!!!! CAN BE USED
if (.not.no_core_density)then
!! ALPHA ACTIVE - ALPHA CORE
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_core_orb
korb = list_core(k)
! 1 2 1 2 : DIRECT TERM
state_av_full_occ_2_rdm_aa_mo(korb,jorb,korb,iorb) += 0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
state_av_full_occ_2_rdm_aa_mo(jorb,korb,iorb,korb) += 0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
! 1 2 1 2 : EXCHANGE TERM
state_av_full_occ_2_rdm_aa_mo(jorb,korb,korb,iorb) += -0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
state_av_full_occ_2_rdm_aa_mo(korb,jorb,iorb,korb) += -0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
enddo
enddo
enddo
!! ALPHA CORE - ALPHA CORE
do j = 1, n_core_orb
jorb = list_core(j)
do k = 1, n_core_orb
korb = list_core(k)
state_av_full_occ_2_rdm_aa_mo(korb,jorb,korb,jorb) += 0.5d0
state_av_full_occ_2_rdm_aa_mo(korb,jorb,jorb,korb) -= 0.5d0
enddo
enddo
endif
END_PROVIDER
BEGIN_PROVIDER [double precision, state_av_full_occ_2_rdm_bb_mo, (n_core_inact_act_orb,n_core_inact_act_orb,n_core_inact_act_orb,n_core_inact_act_orb)]
implicit none
state_av_full_occ_2_rdm_bb_mo = 0.d0
integer :: i,j,k,l,iorb,jorb,korb,lorb
BEGIN_DOC
! state_av_full_occ_2_rdm_bb_mo(i,j,k,l) = STATE AVERAGE physicist notation for 2RDM of beta/beta electrons
!
! = \sum_{istate} w(istate) * <Psi_{istate}| a^{\dagger}_{i,beta} a^{\dagger}_{j,beta} a_{l,beta} a_{k,beta} |Psi_{istate}>
!
! WHERE ALL ORBITALS (i,j,k,l) BELONGS TO ALL OCCUPIED ORBITALS : core, inactive and active
!
! THE NORMALIZATION (i.e. sum of diagonal elements) IS SET TO N_{\beta} * (N_{\beta} - 1)/2
!
! !!!!! WARNING !!!!! ALL SLATER DETERMINANTS IN PSI_DET MUST BELONG TO AN ACTIVE SPACE DEFINED BY "list_act"
!
! !!!!! WARNING !!!!! IF "no_core_density" then all elements involving at least one CORE MO is set to zero
END_DOC
!! PURE ACTIVE PART beta-beta
!!
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_act_orb
korb = list_act(k)
do l = 1, n_act_orb
lorb = list_act(l)
state_av_full_occ_2_rdm_bb_mo(lorb,korb,jorb,iorb) = &
state_av_act_2_rdm_bb_mo(l,k,j,i)
enddo
enddo
enddo
enddo
!! beta ACTIVE - beta inactive
!!
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_inact_orb
korb = list_inact(k)
! 1 2 1 2 : DIRECT TERM
state_av_full_occ_2_rdm_bb_mo(korb,jorb,korb,iorb) += 0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
state_av_full_occ_2_rdm_bb_mo(jorb,korb,iorb,korb) += 0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
! 1 2 1 2 : EXCHANGE TERM
state_av_full_occ_2_rdm_bb_mo(jorb,korb,korb,iorb) += -0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
state_av_full_occ_2_rdm_bb_mo(korb,jorb,iorb,korb) += -0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
enddo
enddo
enddo
!! beta INACTIVE - beta INACTIVE
do j = 1, n_inact_orb
jorb = list_inact(j)
do k = 1, n_inact_orb
korb = list_inact(k)
state_av_full_occ_2_rdm_bb_mo(korb,jorb,korb,jorb) += 0.5d0
state_av_full_occ_2_rdm_bb_mo(korb,jorb,jorb,korb) -= 0.5d0
enddo
enddo
!!!!!!!!!!!!
!!!!!!!!!!!! if "no_core_density" then you don't put the core part
!!!!!!!!!!!! CAN BE USED
if (.not.no_core_density)then
!! beta ACTIVE - beta CORE
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_core_orb
korb = list_core(k)
! 1 2 1 2 : DIRECT TERM
state_av_full_occ_2_rdm_bb_mo(korb,jorb,korb,iorb) += 0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
state_av_full_occ_2_rdm_bb_mo(jorb,korb,iorb,korb) += 0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
! 1 2 1 2 : EXCHANGE TERM
state_av_full_occ_2_rdm_bb_mo(jorb,korb,korb,iorb) += -0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
state_av_full_occ_2_rdm_bb_mo(korb,jorb,iorb,korb) += -0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
enddo
enddo
enddo
!! beta CORE - beta CORE
do j = 1, n_core_orb
jorb = list_core(j)
do k = 1, n_core_orb
korb = list_core(k)
state_av_full_occ_2_rdm_bb_mo(korb,jorb,korb,jorb) += 0.5d0
state_av_full_occ_2_rdm_bb_mo(korb,jorb,jorb,korb) -= 0.5d0
enddo
enddo
endif
END_PROVIDER
BEGIN_PROVIDER [double precision, state_av_full_occ_2_rdm_spin_trace_mo, (n_core_inact_act_orb,n_core_inact_act_orb,n_core_inact_act_orb,n_core_inact_act_orb)]
implicit none
state_av_full_occ_2_rdm_spin_trace_mo = 0.d0
integer :: i,j,k,l,iorb,jorb,korb,lorb
BEGIN_DOC
! state_av_full_occ_2_rdm_bb_mo(i,j,k,l) = STATE AVERAGE physicist notation for 2RDM of beta/beta electrons
!
! = \sum_{istate} w(istate) * \sum_{sigma,sigma'} <Psi_{istate}| a^{\dagger}_{i,sigma} a^{\dagger'}_{j,sigma} a_{l,sigma'} a_{k,sigma} |Psi_{istate}>
!
!
! WHERE ALL ORBITALS (i,j,k,l) BELONGS TO ALL OCCUPIED ORBITALS : core, inactive and active
!
! THE NORMALIZATION (i.e. sum of diagonal elements) IS SET TO N_{elec} * (N_{elec} - 1)/2
!
! !!!!! WARNING !!!!! ALL SLATER DETERMINANTS IN PSI_DET MUST BELONG TO AN ACTIVE SPACE DEFINED BY "list_act"
!
! !!!!! WARNING !!!!! IF "no_core_density" then all elements involving at least one CORE MO is set to zero
END_DOC
!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!
!! PURE ACTIVE PART SPIN-TRACE
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_act_orb
korb = list_act(k)
do l = 1, n_act_orb
lorb = list_act(l)
state_av_full_occ_2_rdm_spin_trace_mo(lorb,korb,jorb,iorb) += &
state_av_act_2_rdm_spin_trace_mo(l,k,j,i)
enddo
enddo
enddo
enddo
!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!
!!!!! BETA-BETA !!!!!
!! beta ACTIVE - beta inactive
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_inact_orb
korb = list_inact(k)
! 1 2 1 2 : DIRECT TERM
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,korb,iorb) += 0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
state_av_full_occ_2_rdm_spin_trace_mo(jorb,korb,iorb,korb) += 0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
! 1 2 1 2 : EXCHANGE TERM
state_av_full_occ_2_rdm_spin_trace_mo(jorb,korb,korb,iorb) += -0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,iorb,korb) += -0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
enddo
enddo
enddo
!! beta INACTIVE - beta INACTIVE
do j = 1, n_inact_orb
jorb = list_inact(j)
do k = 1, n_inact_orb
korb = list_inact(k)
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,korb,jorb) += 0.5d0
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,jorb,korb) -= 0.5d0
enddo
enddo
if (.not.no_core_density)then
!! beta ACTIVE - beta CORE
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_core_orb
korb = list_core(k)
! 1 2 1 2 : DIRECT TERM
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,korb,iorb) += 0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
state_av_full_occ_2_rdm_spin_trace_mo(jorb,korb,iorb,korb) += 0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
! 1 2 1 2 : EXCHANGE TERM
state_av_full_occ_2_rdm_spin_trace_mo(jorb,korb,korb,iorb) += -0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,iorb,korb) += -0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
enddo
enddo
enddo
!! beta CORE - beta CORE
do j = 1, n_core_orb
jorb = list_core(j)
do k = 1, n_core_orb
korb = list_core(k)
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,korb,jorb) += 0.5d0
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,jorb,korb) -= 0.5d0
enddo
enddo
endif
!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!
!!!!! ALPHA-ALPHA !!!!!
!! ALPHA ACTIVE - ALPHA inactive
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_inact_orb
korb = list_inact(k)
! 1 2 1 2 : DIRECT TERM
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,korb,iorb) += 0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
state_av_full_occ_2_rdm_spin_trace_mo(jorb,korb,iorb,korb) += 0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
! 1 2 1 2 : EXCHANGE TERM
state_av_full_occ_2_rdm_spin_trace_mo(jorb,korb,korb,iorb) += -0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,iorb,korb) += -0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
enddo
enddo
enddo
!! ALPHA INACTIVE - ALPHA INACTIVE
do j = 1, n_inact_orb
jorb = list_inact(j)
do k = 1, n_inact_orb
korb = list_inact(k)
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,korb,jorb) += 0.5d0
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,jorb,korb) -= 0.5d0
enddo
enddo
if (.not.no_core_density)then
!! ALPHA ACTIVE - ALPHA CORE
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_core_orb
korb = list_core(k)
! 1 2 1 2 : DIRECT TERM
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,korb,iorb) += 0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
state_av_full_occ_2_rdm_spin_trace_mo(jorb,korb,iorb,korb) += 0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
! 1 2 1 2 : EXCHANGE TERM
state_av_full_occ_2_rdm_spin_trace_mo(jorb,korb,korb,iorb) += -0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,iorb,korb) += -0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
enddo
enddo
enddo
!! ALPHA CORE - ALPHA CORE
do j = 1, n_core_orb
jorb = list_core(j)
do k = 1, n_core_orb
korb = list_core(k)
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,korb,jorb) += 0.5d0
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,jorb,korb) -= 0.5d0
enddo
enddo
endif
!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!
!!!!! ALPHA-BETA + BETA-ALPHA !!!!!
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_inact_orb
korb = list_inact(k)
! ALPHA INACTIVE - BETA ACTIVE
! alph beta alph beta
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,korb,iorb) += 0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
! beta alph beta alph
state_av_full_occ_2_rdm_spin_trace_mo(jorb,korb,iorb,korb) += 0.5d0 * one_e_dm_mo_beta_average(jorb,iorb)
! BETA INACTIVE - ALPHA ACTIVE
! beta alph beta alpha
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,korb,iorb) += 0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
! alph beta alph beta
state_av_full_occ_2_rdm_spin_trace_mo(jorb,korb,iorb,korb) += 0.5d0 * one_e_dm_mo_alpha_average(jorb,iorb)
enddo
enddo
enddo
!! ALPHA INACTIVE - BETA INACTIVE
do j = 1, n_inact_orb
jorb = list_inact(j)
do k = 1, n_inact_orb
korb = list_inact(k)
! alph beta alph beta
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,korb,jorb) += 0.5D0
state_av_full_occ_2_rdm_spin_trace_mo(jorb,korb,jorb,korb) += 0.5D0
enddo
enddo
!!!!!!!!!!!!
!!!!!!!!!!!! if "no_core_density" then you don't put the core part
!!!!!!!!!!!! CAN BE USED
if (.not.no_core_density)then
do i = 1, n_act_orb
iorb = list_act(i)
do j = 1, n_act_orb
jorb = list_act(j)
do k = 1, n_core_orb
korb = list_core(k)
!! BETA ACTIVE - ALPHA CORE
! alph beta alph beta
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,korb,iorb) += 0.5D0 * one_e_dm_mo_beta_average(jorb,iorb)
! beta alph beta alph
state_av_full_occ_2_rdm_spin_trace_mo(jorb,korb,iorb,korb) += 0.5D0 * one_e_dm_mo_beta_average(jorb,iorb)
!! ALPHA ACTIVE - BETA CORE
! alph beta alph beta
state_av_full_occ_2_rdm_spin_trace_mo(jorb,korb,iorb,korb) += 0.5D0 * one_e_dm_mo_alpha_average(jorb,iorb)
! beta alph beta alph
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,korb,iorb) += 0.5D0 * one_e_dm_mo_alpha_average(jorb,iorb)
enddo
enddo
enddo
!! ALPHA CORE - BETA CORE
do j = 1, n_core_orb
jorb = list_core(j)
do k = 1, n_core_orb
korb = list_core(k)
! alph beta alph beta
state_av_full_occ_2_rdm_spin_trace_mo(korb,jorb,korb,jorb) += 0.5D0
state_av_full_occ_2_rdm_spin_trace_mo(jorb,korb,jorb,korb) += 0.5D0
enddo
enddo
endif
END_PROVIDER